Analysis
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max time kernel
19s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 16:06
Static task
static1
Behavioral task
behavioral1
Sample
winrar-x64-701.exe
Resource
win7-20231129-en
windows7-x64
13 signatures
1800 seconds
Behavioral task
behavioral2
Sample
winrar-x64-701.exe
Resource
win10-20240611-en
windows10-1703-x64
1 signatures
1800 seconds
Behavioral task
behavioral3
Sample
winrar-x64-701.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
1 signatures
1800 seconds
Behavioral task
behavioral4
Sample
winrar-x64-701.exe
Resource
win11-20240611-en
windows11-21h2-x64
1 signatures
1800 seconds
General
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Target
winrar-x64-701.exe
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Size
3.8MB
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MD5
46c17c999744470b689331f41eab7df1
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SHA1
b8a63127df6a87d333061c622220d6d70ed80f7c
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SHA256
c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a
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SHA512
4b02a3e85b699f62df1b4fe752c4dee08cfabc9b8bb316bc39b854bd5187fc602943a95788ec680c7d3dc2c26ad882e69c0740294bd6cb3b32cdcd165a9441b6
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SSDEEP
98304:6NRBOBfKgQIm9EOTqw8vjh9Ac9nUNupK4hVvcF+yHrAr:sR/gmeOqv7Ac9F0kB
Score
4/10
Malware Config
Signatures
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 60 IoCs
description ioc Process File opened for modification C:\Program Files\WinRAR winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Default32.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\rarnew.dat uninstall.exe File created C:\Program Files\WinRAR\Uninstall.lst winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExtInstaller.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Uninstall.lst winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Zip.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\WinRAR.exe winrar-x64-701.exe File created C:\Program Files\WinRAR\7zxa.dll winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExt.dll winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\WinRAR.chm winrar-x64-701.exe File created C:\Program Files\WinRAR\zipnew.dat uninstall.exe File opened for modification C:\Program Files\WinRAR\UnRAR.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\WinRAR.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\WinCon32.SFX winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\License.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\Rar.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExt.dll winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Rar.txt winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExtInstaller.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExtPackage.msix winrar-x64-701.exe File created C:\Program Files\WinRAR\Resources.pri winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Zip32.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\WinRAR.chm winrar-x64-701.exe File created C:\Program Files\WinRAR\__tmp_rar_sfx_access_check_259400178 winrar-x64-701.exe File created C:\Program Files\WinRAR\Descript.ion winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\WhatsNew.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\UnRAR.exe winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExtPackage.msix winrar-x64-701.exe File created C:\Program Files\WinRAR\Default.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\ReadMe.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExt32.dll winrar-x64-701.exe File created C:\Program Files\WinRAR\Default32.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\Uninstall.exe winrar-x64-701.exe File created C:\Program Files\WinRAR\Zip32.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png winrar-x64-701.exe File created C:\Program Files\WinRAR\WhatsNew.txt winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Order.htm winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarFiles.lst winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Rar.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\WinCon.SFX winrar-x64-701.exe File created C:\Program Files\WinRAR\WinCon32.SFX winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\ReadMe.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\License.txt winrar-x64-701.exe File created C:\Program Files\WinRAR\Rar.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExt32.dll winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Resources.pri winrar-x64-701.exe File created C:\Program Files\WinRAR\Zip.SFX winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Descript.ion winrar-x64-701.exe File created C:\Program Files\WinRAR\RarFiles.lst winrar-x64-701.exe File created C:\Program Files\WinRAR\WinCon.SFX winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Uninstall.exe winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png winrar-x64-701.exe File created C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png winrar-x64-701.exe File created C:\Program Files\WinRAR\Order.htm winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\7zxa.dll winrar-x64-701.exe File opened for modification C:\Program Files\WinRAR\Default.SFX winrar-x64-701.exe -
Executes dropped EXE 2 IoCs
pid Process 2520 uninstall.exe 2780 WinRAR.exe -
Loads dropped DLL 9 IoCs
pid Process 1652 winrar-x64-701.exe 1312 Process not Found 2520 uninstall.exe 2520 uninstall.exe 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found 1312 Process not Found -
Modifies system executable filetype association 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32 uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" uninstall.exe -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32 uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ = "C:\\Program Files\\WinRAR\\rarext.dll" uninstall.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main winrar-x64-701.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main WinRAR.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch WinRAR.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" WinRAR.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.zip\ShellNew uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.tar\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.tlz uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.lzh uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.tgz uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.z\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA} uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.lzh\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.tgz\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.rev uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.rev\ = "WinRAR.REV" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.zip uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2 uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bz uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.txz uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.gz uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.uu uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7z uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.tzst\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.arj uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR32 uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32 uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.uue\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\ = "WinRAR archive" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32 uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.xz\ = "WinRAR" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.cab\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.uu\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32 uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bz\ = "WinRAR" uninstall.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open\command\ = "\"C:\\Program Files\\WinRAR\\WinRAR.exe\" \"%1\"" uninstall.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.cab uninstall.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 WinRAR.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 WinRAR.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2780 WinRAR.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1652 winrar-x64-701.exe 1652 winrar-x64-701.exe 2780 WinRAR.exe 2780 WinRAR.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1652 wrote to memory of 2520 1652 winrar-x64-701.exe 28 PID 1652 wrote to memory of 2520 1652 winrar-x64-701.exe 28 PID 1652 wrote to memory of 2520 1652 winrar-x64-701.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe"C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe"1⤵
- Drops file in Program Files directory
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Program Files\WinRAR\uninstall.exe"C:\Program Files\WinRAR\uninstall.exe" /setup2⤵
- Drops file in Program Files directory
- Executes dropped EXE
- Loads dropped DLL
- Modifies system executable filetype association
- Registers COM server for autorun
- Modifies registry class
PID:2520
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C:\Program Files\WinRAR\WinRAR.exe"C:\Program Files\WinRAR\WinRAR.exe"1⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2780
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
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Downloads
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Filesize
105KB
MD5b954981a253f5e1ee25585037a0c5fee
SHA196566e5c591df1c740519371ee6953ac1dc6a13f
SHA25659e40b34b09be2654b793576035639c459ad6e962f9f9cd000d556fa21b1c7cd
SHA5126a7772c6b404cd7fee50110b894ff0c470e5813264e605852b8dcc06bfaeb62b8cc79adcb695b3da149e42d5372a0d730cc7e8ed893c0bd0edb015fc088b7531
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Filesize
45KB
MD51c44c85fdab8e9c663405cd8e4c3dbbd
SHA174d44e9cb2bf6f4c152aadb61b2ffc6b6ccd1c88
SHA25633108dd40b4e07d60e96e1bcfa4ad877eb4906de2cc55844e40360e5d4dafb5d
SHA51246d3fb4f2d084d51b6fd01845823100abc81913ebd1b0bcfeb52ef18e8222199d282aa45cae452f0716e0e2bf5520f7a6a254363d22b65f7ab6c10f11292ee2d
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Filesize
316KB
MD56ca1bc8bfe8b929f448e1742dacb8e7f
SHA1eca3e637db230fa179dcd6c6499bd7d616f211e8
SHA256997184b6f08d36dedc2cd12ee8dc5afb5e6e4bf77f7ab10f7ade9eefdb163344
SHA512d823f2c960a4d92129b9bda0f4f9195d32e64b929082b5efb9149546b5053021255d1dd03cb443f0a03106314554f76b94173e280a553a81e4ac2ac282877973
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Filesize
3.1MB
MD553cf9bacc49c034e9e947d75ffab9224
SHA17db940c68d5d351e4948f26425cd9aee09b49b3f
SHA2563b214fd9774c6d96332e50a501c5e467671b8b504070bbb17e497083b7e282c3
SHA51244c9154b1fdbcf27ab7faee6be5b563a18b2baead3e68b3ea788c6c76cf582f52f3f87bd447a4f6e25ec7d4690761332211659d754fb4e0630c22a372e470bda
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Filesize
477KB
MD54783f1a5f0bba7a6a40cb74bc8c41217
SHA1a22b9dc8074296841a5a78ea41f0e2270f7b7ad7
SHA256f376aaa0d4444d0727db5598e8377f9f1606400adbbb4772d39d1e4937d5f28c
SHA512463dff17f06eca41ae76e3c0b2efc4ef36529aa2eaed5163eec0a912fe7802c9fb38c37acfe94b82972861aaf1acf02823a5948fbb3292bb4743641acb99841e